AJS 4000 as the largest sand 3D printing equipment at present, it has the characteristics of large molding size, high efficiency, one-click printing, and can be used according to the use of demand, can also be composed of a single machine production line.It solves a series of problems such as the number of sand types, complex configuration, and high labor intensity. And will be mainly used in wind power, large ships, large cast steel, heavy mining machinery, high-end heavy machine tools and other fields.